WD 10TB Red 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5 Inch NAS Hard Drive Bare Drive | WD100EFAX

WD 10TB Surveillance Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, 265 MB Cache, 3.5", Purple | WD102PURZ

WD 10TB Surveillance Internal Hard Drive - 7200 RPM Class, SATA 6 Gb/s, 265 MB Cache, Purple : WD102PURZ

WD 12TB Gold Enterprise Class Hard Disk Drive - 7200 RPM Class SATA 6Gb/s 256MB Cache : WD121KRYZ

WD 1TB Black Performance Desktop Hard Disk Drive - 7200 RPM SATA 6 Gb/s 64MB Cache 3.5 Inch | WD1003FZEX-00K3CA0

WD 1TB Blue Mobile Hard Drive - 5400 RPM 128MB Cache SATA 6Gb/s Cache 2.5 Inch - WD10SPZX

WD 1TB Blue SATA 6 Gb/s 7200 RPM 64MB Cache 3.5 Inch Desktop Hard Drive | WD10EZEX-21WN4A0

WD 1TB Purple SATA Surveillance Hard Drive : WD10PURZ

WD 1TB Purple SATA Surveillance Hard Drive | WD10PURZ

WD 2TB Purple SATA Surveillance Hard Drive : WD20PURZ

WD 2TB Purple SATA Surveillance Hard Drive | WD20PURZ

WD 2TB Red Pro NAS Hard Disk Drive - 7200 RPM SATA 6 Gb/s 64MB Cache 3.5 Inch | WD2002FFSX

WD 2TB WD20EFZX Red Plus SATA III 3.5" Internal NAS HDD (CMR, Retail) : WD20EFAX

WD 4TB Black 3.5 Inch 256 MB Cache 7200 RPM SATA 6Gb/s Performance Desktop Hard Drive | WD4005FZBX-00K5WB0

WD 4TB Black 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5 Hard Drive | WD4004FZWX-Old model

WD 4TB Blue Desktop Hard Disk Drive - 5400 RPM SATA 6 Gb/s 64MB Cache 3.5 Inch : WD40EZRZ

WD 4TB Blue Desktop Hard Disk Drive - 5400 RPM SATA 6 Gb/s 64MB Cache 3.5 Inch | WD40EZRZ

WD 4TB Purple SATA Surveillance Hard Drive : WD40PURZ / WD42PURZ

WD 4TB Purple WD40PURZ SATA Surveillance Hard Drive | WD40PURZ

WD 500 GB 2.5-Inch SATA 6Gb/s 5400 rpm 16MB Internal Laptop Hard Drive - Blue | WD5000LPCX

WD 6TB Purple SATA Surveillance Hard Drive | WD60PURX / WD62PURZ

WD 8TB Red Pro 3.5-Inch SATAIII 7200rpm 128MB Cache NAS Internal Hard Drive | WD8001FFWX / WD8003FFBX

WD Blue 2TB SATA 64MB 5400RPM Class SATAIII 256MB 3.5" Desktop Hard Drive | WD20EZAZ